13287688

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 27157680

約数和(自身を除く): 13869992

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 107, 152, 172, 214, 344, 361, 428, 722, 817, 856, 1444, 1634, 2033, 2888, 3268, 4066, 4601, 6536, 8132, 9202, 15523, 16264, 18404, 31046, 36808, 38627, 62092, 77254, 87419, 124184, 154508, 174838, 309016, 349676, 699352, 1660961, 3321922, 6643844, 13287688]

約数ペア:

[(1, 13287688), (2, 6643844), (4, 3321922), (8, 1660961), (19, 699352), (38, 349676), (43, 309016), (76, 174838), (86, 154508), (107, 124184), (152, 87419), (172, 77254), (214, 62092), (344, 38627), (361, 36808), (428, 31046), (722, 18404), (817, 16264), (856, 15523), (1444, 9202), (1634, 8132), (2033, 6536), (2888, 4601), (3268, 4066)]